<!--
 * @Description: 
 * @Author: charles
 * @Date: 2021-08-10 09:34:01
 * @LastEditors: charles
 * @LastEditTime: 2021-08-10 09:51:17
-->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>超链接</title>
</head>
<body>
  <div id="top">顶部</div>
  <!-- url 统一资源定位符 链接到网络中的唯一资源 -->
  <a href="http://www.baidu.com" target="_blank">百度一下</a>
  <a href="./2-a.html">2-a</a>
  <!-- mac 类linux操作系统 （ubuntu linux内核） -->
  <a href="/Users/lichunyu/Desktop/2021/tyut/1-html/day02/2-a.html">2-a</a>
  <a href="#bottom">跳转到底部</a>
  <a href="mailto://licy@briup.com">发邮件给我</a>
  

  <div style="height: 30000px;"></div>
  <div id="bottom"> 
    hello bottom   
    <a href="#top">回到顶部</a>
  </div>
</body>
</html>